新冠疫情影响下武汉市气溶胶类型变化分析

韦耿, 侯钰俏, 查勇

Analysis of aerosol type changes in Wuhan City under the outbreak of COVID-19 epidemic

WEI Geng, HOU Yuqiao, ZHA Yong

表3 新冠疫情各阶段颗粒物质量浓度与气溶胶参数平均值

Tab.3 Mean mass concentration of particulate matter and mean value of aerosol characteristics in each stage of COVID-19 epidemic situation

阶段 第一阶段 第二阶段 第三阶段 第四阶段 PM10浓度值/(μg·m-3) 91.9 62.3 53.2 59.3 PM2.5浓度值/(μg·m-3) 66.3 52.9 40.3 34.5 AOD 0.43 0.57 0.62 0.74 FMF 0.52 0.73 0.44 0.48